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- 130 mm × 185 mm × 65 mm
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Product Introduction
The Emerson A6120 is a high-performance analog input module designed for use in distributed control and monitoring systems. It provides precise, real-time data acquisition from field instruments, enabling accurate process measurement and stable control performance. Built to meet rigorous industrial standards, the A6120 ensures consistent operation under demanding environmental conditions.
This module belongs to the Ovation / DeltaV Series, a family of advanced control system modules recognized for reliability, precision, and seamless system integration. The A6120 is widely utilized in process industries such as power generation, oil and gas, petrochemical, and water treatment, where stability and accuracy are critical.
Product Parameters
| Parameter | Specification |
|---|---|
| Model | A6120 |
| Brand | Emerson |
| Series | Ovation / DeltaV Series |
| Type | Analog Input Module |
| Input Channels | 8 differential analog inputs |
| Input Signal Range | 0–20 mA / 4–20 mA / 0–10 V |
| Input Accuracy | ±0.1% of full scale |
| Input Impedance | >250 Ω for current input |
| Isolation Voltage | 1500 V RMS (channel-to-bus) |
| Sampling Rate | 1000 samples per second per channel |
| Resolution | 16-bit A/D converter |
| Communication Interface | System I/O bus |
| Power Supply Voltage | 24 V DC (nominal) |
| Power Consumption | 3.5 W typical |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5–95% non-condensing |
| Response Time | < 10 ms |
| Dimensions (W×H×D) | 130 mm × 185 mm × 65 mm |
| Weight | 0.52 kg |
| Mounting Type | System rack / DIN rail |
| Certification | CE, RoHS, UL compliant |
| Typical Application Fields | Process monitoring, instrumentation, data acquisition |
Product Features and Advantages
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High Accuracy Measurement: Delivers precise analog input readings with minimal signal noise, ideal for critical process control.
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Modular and Scalable: Designed to fit seamlessly within the Ovation and DeltaV systems, allowing flexible configuration and easy expansion.
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Strong Signal Isolation: Each channel is optically isolated, ensuring safety and noise immunity in harsh electrical environments.
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Fast Response and Stability: High sampling rate guarantees quick signal processing and consistent control feedback.
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Durable Industrial Design: Built with robust materials for long-term operation in demanding industrial settings.
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Easy Maintenance: Front-access connectors and diagnostic LEDs simplify system maintenance and fault detection.
Applications
The A6120 analog input module is widely used in:
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Power Generation: For monitoring turbine parameters, temperature sensors, and flow transmitters.
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Oil & Gas: Used for precise data acquisition from pressure and level transmitters in drilling and refining.
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Chemical Industry: Ensures accurate measurement for process control, reactor monitoring, and batch systems.
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Water & Wastewater Treatment: Enables stable and continuous input signal monitoring from field sensors.
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Manufacturing Automation: Provides reliable analog signal processing for machinery and quality control systems.
Product Series Information
The Emerson A6120 belongs to the Ovation / DeltaV Series, which features a wide range of input/output modules designed for flexible, scalable automation solutions. Modules in this series are built for compatibility, reliability, and real-time data processing, making them suitable for complex industrial control systems.
Related Models (Same Series / Functional Alternatives)
| Model | Type | Description | Channels | Signal Range | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|---|
| A6110 | Analog Output | 8-channel analog output module | 8 AO | 0–10V / 4–20mA | 130×185×65 | 0.50 |
| A6130 | Digital Input | 16-channel digital input module | 16 DI | 24V DC | 130×185×65 | 0.48 |
| A6140 | Digital Output | 16-channel digital output module | 16 DO | 24V DC | 130×185×65 | 0.47 |
| A6150 | Mixed I/O | 8 DI / 8 DO hybrid module | 16 I/O | 24V DC | 130×185×65 | 0.49 |
| A6160 | Thermocouple Input | 8-channel temperature input module | 8 TC | Type J, K, T | 130×185×65 | 0.51 |
Popular Models from the Same Brand (Emerson)
| Model | Series | Type | Description | Signal / Voltage Range | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|---|
| KJ4001X1-BA1 | DeltaV | CPU Controller | High-performance control processor | 24V DC | 150×185×70 | 0.56 |
| VE4003S2B1 | DeltaV | I/O Interface | High-speed communication module | 24V DC | 130×185×65 | 0.50 |
| VE4002S1T2B1 | Ovation | Digital Output | 16-channel DO module | 24V DC | 130×185×65 | 0.46 |
| KJ2003X1-BB1 | DeltaV | Analog Output | 8 AO, isolated | 0–10V / 4–20mA | 130×185×65 | 0.48 |
| VE4005S2B1 | Ovation | Analog Input | 8 AI channels, high precision | 0–20mA / 4–20mA | 130×185×65 | 0.52 |
FAQ (Frequently Asked Questions)
Q1: What is the main function of the A6120 module?
A1: The A6120 collects analog signals from field sensors and converts them into digital values for process control systems.
Q2: Which control systems support the A6120?
A2: It is fully compatible with the Ovation and DeltaV distributed control systems.
Q3: What type of signals can the A6120 process?
A3: It supports 0–20 mA, 4–20 mA, and 0–10 V analog signals.
Q4: How many channels does the A6120 provide?
A4: The module has 8 isolated analog input channels.
Q5: Is the module suitable for high-temperature environments?
A5: Yes, it operates reliably from 0°C to +60°C and can be stored at -40°C to +85°C.
Q6: Does it include electrical isolation between channels?
A6: Yes, each channel is galvanically isolated for enhanced signal integrity and safety.
Q7: How often should the module be calibrated?
A7: Factory calibration is long-lasting, but annual verification is recommended for critical applications.
Q8: Can the A6120 be installed alongside digital I/O modules?
A8: Yes, it is modular and can be installed with other I/O types within the same rack.
Q9: What is the module’s weight?
A9: It weighs approximately 0.52 kg.
Q10: What is the lifespan of the A6120 module?
A10: With proper maintenance, it typically exceeds 10 years of continuous operation.
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All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.
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Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.
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